In a circuit, what current does a 220-volt, 5-horsepower motor receive if the efficiency of the motor is 80%? Express the answer to the nearer hundredth.
Fill in the blank(s) with the appropriate word(s).
21.19
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As a means of ensuring that legislators stay in touch with the mood of the people, state constitutions
A. were rewritten once every 10 years. B. were rewritten once every five years. C. required yearly visits to the homes of their constituents. D. stipulated that ordinary legislation could override the constitution. E. required the annual election of legislators.
Most electrically driven constant-speed machines operate at speeds below ____ rpm.
A. 1800 B. 2000 C. 2200 D. 2400
A corner-clinching tool centers the bead and clinches it to the corner when struck with a _____
a. plastic hammer b. rubber mallet c. sledgehammer d. closed hand
Cutoff voltage refers to
A) the value of drain-source voltage that make Id=0 B) the value of gate-source voltage that make Id=0 C) the value of gate-source voltage that makes Id saturate D) none of the above